On June 12, 1898, Emilio Aguinaldo proclaimed Philippine independence from Spain in Kawit, Cavite. The declaration reflected a growing revolutionary movement, but it was not recognized by Spain or the United States. Events in 1898 set up a clash between Filipino independence goals and U.S. plans after the Spanish–American War.
On December 10, 1898, the Treaty of Paris ended the Spanish–American War and transferred the Philippines from Spain to the United States, with the U.S. agreeing to pay Spain $20 million. The treaty triggered major debate in the U.S. about overseas expansion. It also intensified conflict with Filipinos who expected independence rather than a new colonial ruler.
On January 20, 1899, President William McKinley appointed the First Philippine Commission (the Schurman Commission). It investigated conditions in the islands and recommended a shift toward civil government and public education under U.S. authority. The commission signaled that the U.S. was planning long-term administration, not a quick exit.
On January 23, 1899, the First Philippine Republic (often called the Malolos Republic) was inaugurated after the Malolos Constitution was adopted and promulgated. This government aimed to formalize Filipino self-rule and diplomacy. Its existence sharpened the political stakes when U.S. forces moved from wartime occupation into claims of sovereignty.
On February 4, 1899, shooting erupted on the outskirts of Manila, and full-scale fighting quickly followed. This outbreak marked the start of the Philippine–American War between U.S. forces and Filipino revolutionaries. The war grew from disputes over who would control the islands after Spain’s defeat.
On February 6, 1899, the U.S. Senate ratified the Treaty of Paris by a single vote. This step made U.S. claims of sovereignty more formal at the very moment war was breaking out in the Philippines. The close vote also showed that U.S. expansion into the Philippines was controversial at home.
On March 16, 1900, McKinley established the Second Philippine Commission (the Taft Commission) to set up civil government in areas under U.S. control while the war continued. It passed laws, organized courts and civil service structures, and helped replace military rule with a civilian system. This strengthened U.S. colonial governance while fighting still persisted.
On March 23, 1901, U.S. forces captured Emilio Aguinaldo in Palanan, Isabela. His capture undermined the leadership of the First Philippine Republic and accelerated the shift toward smaller, localized resistance. Many fighters later accepted U.S. authority, though armed opposition did not end immediately everywhere.
On July 1, 1902, the Philippine Organic Act (also called the Philippine Bill of 1902) became law. It provided a legal framework for the U.S. civil government in the Philippines and set conditions for creating an elected Philippine Assembly. This law marked a major transition from wartime rule toward a structured colonial government with limited Filipino representation.
On July 4, 1902, President Theodore Roosevelt issued a proclamation offering amnesty and announcing an end to the “insurrection” in much of the Philippines. While sporadic fighting continued in some areas, this declaration marked the U.S. government’s official claim that the main war had been won. After this, U.S. rule increasingly focused on policing, administration, and political control rather than large-scale battles.
On October 16, 1907, the First Philippine Assembly formally opened in Manila, following elections held earlier that year. It became the first nationwide elected legislative body in the Philippines under U.S. rule, although the upper house (the Philippine Commission) remained appointed. The assembly expanded Filipino participation in government while keeping ultimate authority under U.S. colonial oversight.
On August 29, 1916, the Jones Act (Philippine Autonomy Act) reorganized the Philippine government and created a fully elected legislature. It also included a formal U.S. statement of intent to grant Philippine independence in the future, though without a fixed date. This law marked a significant policy shift toward greater local political control.
On March 24, 1934, the U.S. enacted the Tydings–McDuffie Act (Philippine Independence Act). It created a plan for a 10-year transitional Commonwealth government and set July 4, 1946, as the target date for full independence. The act connected Filipino self-government to a defined end point for U.S. colonial rule.
On November 15, 1935, the Commonwealth of the Philippines was inaugurated as a transitional government under U.S. sovereignty. It gave Filipinos greater control over internal affairs while the U.S. retained key powers such as defense and foreign relations. The Commonwealth was designed as the final stage before independence, but its development was soon disrupted by World War II.
On December 8, 1941, Japan began its invasion of the Philippines, starting a campaign that lasted into 1942 and led to Japanese occupation. The invasion halted the normal operations of the Commonwealth government and shifted U.S. involvement from colonial administration to wartime alliance and liberation planning. The occupation and fighting caused widespread destruction and shaped postwar politics.
By early 1945, U.S. forces returned to the Philippines as part of the broader Pacific campaign, including major operations to reopen Manila Bay and recapture key positions. The fighting helped restore the Commonwealth government and reestablish U.S. authority ahead of the planned independence transition. Liberation came with severe civilian suffering and infrastructure loss, increasing pressure for postwar reconstruction and sovereignty.
On July 4, 1946, President Harry S. Truman issued Proclamation 2695 recognizing the Philippines as an independent nation, and the Treaty of Manila was signed the same day to establish general relations. This moment ended U.S. sovereignty that began with the 1898 Treaty of Paris. It closed the long arc from war and colonial rule to formal independence, even as U.S.–Philippine ties continued in security and economic policy.
Philippine–American War and U.S. Colonial Rule in the Philippines (1898–1946)